Resilient or cushion wheel.



J. M. GOLDBERG.

BESILIENT OR CUSHION WHEEL.

APPLICATION FILED APR. 7, 1914.

1,129,480. Patented Feb. 23, 1915.

2 SHEETS-SHEET 1.

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J. M. GOLDBERG.

RESILIENT OR CUSHION WHEEL.

APPLICATION FILED APRJ, 1914.

Patented Feb. 23, 1915.

2 SHEETS-SHEET 2.

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JOSEPH M. GOLDBERG, 0F ALEXANDRIA, LOUISIANA.

RESILIENT OR CUSHION WHEEL.

Specification of Letters Patent.

Patented Feb. 23, 1915.

Application filed April '7, 1914. Serial No. 830,183.

To all whom it may concern:

Be it known that I, JOSEPH M. GOLDBERG, a citizen of the United States,residing at Alexandria, in the parish of Rapides and State of Louisiana,have invented certain new and useful Improvements in Resilient orCushion Wheels; and I do hereby declare the following to be a full,clear, and exact description of the invention, such as will enableothers skilled in the art to which it appertains to make and use thesame.

This invention relates to wheels and more particularly to resilientwheels, and has for one of its objects the construction of a wheelresiliently mounted upon the axle in a manner to obviate the necessityof the use of cushion tires.

A further object of this invention resides in the construction of theresilient mounting of the wheel whereby the parts thereof are readilyaccessible, and may be readily removed for the purpose of repairswithout the necessity of disassembling the entire structure.

A still further object of this invention resides in the construction ofa resilient mounting for wheels to prevent the ingress of dirt, grit,etc., into the working parts of the wheel, thus prolonging the life ofthe mounting. And a still further object of this invention resides inthe construction of a resilient mounting for wheels consisting of fewparts, easy to repair, eflicient and durable in purpose and which may bemanufactured and maintained at a nominal cost.

These and other objects will more fully appear and the nature of theinvention more clearly understood by the construction, combination andarrangement of the parts thereof as described in the followingspecification, defined in the appended claim and illustrated in theaccompanying drawings, in which,

Figure 1 is a front view of one of the wheels in accordance with thisinvention and showing the same in complete form ready for use. Fig. 2 isa front view of the hub construction with the cap and front washerremoved showing the manner of assembling the parts constituting theresilient mounting. Fig. 3 is a front end view of the boxing arrangedwithin the interior of the hub showing the same provided with thedovetailed grooves. Fig. 4 is a vertical longitudinal section throughthe hub of the wheel showing the parts of the resilient mounting and themeans for seating the same between the hub and the boxing centrallyarranged therein, and the means for retaining the parts in assembledrelation. Fig. 5 is a top plan view of one of the spring cage stripsused in connection with this invention, and, Fig. 6 is an edge view ofthe spring cage strips shown in Fig. 5.

Referring to the drawings 1 denotes the hub of the wheel provided withthe bore 2 and further provided with the annular flange 3 at the rearend thereof, the flange 3 being provided with a plurality of aperturesl, and arranged upon the hub 1 is the retaining ring 6 provided withapertures for registering with the apertures a of the flange 3 andconnected together by rivets or other suitable connections 7 forretaining therebetween the spokes 8 of the wheel 9 as shown in Fig. 1,however, any suitable and desirable means of securing the spokes uponthe hub may be resorted to. Upon the front end of the hub 1 is providedthe screw threads 10 for receiving the threads 11 of the annular flange'12 of the cap 13, the threads 10 being shorter than the threads 11 ofthe cap 13 to provide the annular space 14 between the front end of thehub 1 and the annular shoulder or guide 15 of the cap 13, the cap 13being further provided with the head 16 for covering the retaining nutupon the axle.

Adjacent the rear end of the hub 1 and within the bore 2 thereof is theannular flange 17 being sufliciently removed from the rear edge of theend of the hub 1 to provide the annular recess 18 in which recess thewasher 19 is adapted to be seated,the washer 19 being provided with thecentral aperture 20 for the passage of the axle therethrough. Within theinner wall of the bore 2 of the hub 1 is formed a plurality oftransversely extending dovetailed grooves 21, any number of thesegrooves being used as deemed necessary.

Arranged within the bore 2 of the hub 1 is the boxing 22, the boxing 22being provided with the central bore 23 through which" the axle passes,the bore 23 being provided with the counter bores 24 and 25, thesecounter bores being designed to receive roller bearings if desired. Theboxing 22 has arranged in the front end thereof a plurality of internalthreaded sockets 26, and upon the periphery of the boxing 22 is alsoformed a plurality of transversely extending dovetailed recesses 27. Theboxing 22 being of less diameter than the diameter of the bore 2 of thehub 1 there is provided the annular space 29 this space providing forthe radial movement of the hub 1 relative to the boxing 22.

Arranged within the dovetailed grooves 21 of the hub 1 and thedovetailed grooves 27 of the boxing 22 are the spring cages, eachspring-cage comprises a pair of elongated strips 30, having inclined orbeveled edges adapted to fit snugly into dove-tailed grooves provided inthe inner face 01 the hub 1 and also in the cooperating face of theboxing 22, said strips also having a plurality of apertures 32 extendingthrough the said strips to receive the ends of the said springs. Inconstruction the required number of springs to fill the apertures in astrip are placed in the apertures, one strip at each end of the springsand then the strips are slipped into their respective grooves, one stripin a groove in the boxing and the other in the complementary groove inthe hub which is immediately adjacent thereto, the dove-tail groovepreventing the strips from falling from their seats in the grooves, andthe surface of the grooves retaining the springs in their respectiveapertures. The number of spring-cages used in a hub equals the number ofdove-tailed grooves provided in the hub 1 of the wheel; a plurality ofspring cage strips, having beveled edges, are used in the formation ofthe spring cages, the said spring cage strips 30 also being providedwith a plurality of apertures 32, which apertures are in registrationwith the apertures of each of the opposing cages 30 and in theseapertures are seated the compression springs 33, said springs 33 beingpositioned within the space 29 formed between the boxing 22 and theinterior wall of the bore 2 of the hub 1.

For retaining the spring cages 30 and the compression springs in theirrespective operative positions, the outer washer 3 1 is provided, thiswasher having the central aperture 35 formed therein for the passage ofthe end of the axle therethrough and having also formed adjacent theperiphery of the washer 34: suitable apertures for registering with thescrew threaded sockets 26 of the boxing 22, the washer 34: being securedto the boxing 22 through the medium of the screws 36 or other suitableconnections.

Copies of this patent may be obtained for five I will therefore be seenthat this invention provides a resilient mounting for wheels of asuperior nature, whereby the boxing 22 being revolubly mounted upon theaxle of the vehicle and retained thereon by the usual nut, the flange ofwhich bears against the exterior oi the washer 3-1 and being sealed thecap 13, the cap 13 also having the function to provide a guide way forthe washer 3d during the radial movement of the hub 1 relative to theboxing 22, and also the flange 17 of the hub 1 is designed to travelbetween the enc s of the spring cages 30 and the boxing 22 and the rearwasher 19, this washer being provided as a dust guard for preventing theingress of grit or other deleterious substances into the interior of thehub, thus prolonging the life of the parts constituting the resilientmounting therein, and further by the mounting of the parts in the mannerdescribed the same may be readily repaired without the necessity ofutterly disassembling the wheel construction, and this is a veryimportant factor in structures of this character.

While 1 have here shown and described the preferred embodiment of myinvention, I hereby reserve the right to make such alterations andvariations therein from time to time as I may deem expedient and whichwill neither depart from the spirit of the invention nor conflict withthe scope of the claim.

Having thus fully described my invention, what I claim as new and desireto secure by letters Patent of the United States is:

A hub-comprising an outer casing or hub proper; a boxing having aspindle bore, mounted within said casing whereby an an nular space willbe provided between the said casing and boxing, the said casing andboxing having transversely extending grooves directlv opposite eachother; a plurality of springs arranged in alined groups; aperturedplates adapted to receive the ends of said springs, said plates beingdesigned to lit in the registering grooves in said boxing and casing,and means to hold the said parts in operative relationship to eachother.

In testimony whereof I have signed my name to this specification in thepresence of two subscribing witnesses.

J OS. M. GOLDBERG.

Witnesses:

Geo. A. ROBERTS, J. M. S. lVi-n'r'rme'ron.

cents each, by addressing the Commissioner of Eatents.

Washington, D. G.

